Animal shelter



FIG. 1 is a front perspective view of an animal shelter, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for an animal shelter, substantially as shown. 